KT11-D Memory Management Unit

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The KT11-D Memory Management was an option for the KD11-A CPU of the PDP-11/40 which provided memory management. It did not provide the full PDP-11 Memory Management, but the simplified subset; in fact, the KT11-D is the archetype for that subset.

It was a hex card (M7236) which plugged into a dedicated, pre-wrired slot in the CPU's backplane. The KT11-D required the KJ11-A Stack Limit Register option.

Further reading

  • "KT11-D Memory Management Option Manual", DEC-11-HKTDA-B-D